Home / 129,240.30-193,860.76-39,283.83

Finding the Fourth Proportional to 129,240.30, 193,860.76 and 39,283.83

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Solution

The fourth proportional to 129,240.30, 193,860.76 and 39,283.83 is: 58,925.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,240.30 : 193,860.76 = 39,283.83 : x
  2. Step 2: Convert to fraction form
    129,240.30/193,860.76 = 39,283.83/x
  3. Step 3: Cross multiply
    129,240.30x = 193,860.76 × 39,283.83
  4. Step 4: Simplify right side
    129,240.30x = 7,615,593,041.30
  5. Step 5: Solve for x
    x = 7,615,593,041.30/129,240.30
  6. Step 6: Final answer
    x = 58,925.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.